What are the chances of seeing a Scarce Straw Pearl in Boston?
Rare
Under 5% of wildlife watchers report a Scarce Straw Pearl sighting in Boston on a given day, based on 17 verified sightings from GBIF citizen-science data. It is the 547th most-seen of the 1200 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
When is the best time to see a Scarce Straw Pearl in Boston?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Scarce Straw Pearl in Boston on a given day, so our monthly data shows no clear season.
Is Boston the best place to see a Scarce Straw Pearl?
Yes
Of the 5 cities where we can rate Scarce Straw Pearl sightings, Boston has the highest daily chance: under 5%. Next come Vienna (Austria, under 5%) and Chicago (United States, under 5%).
Which relatives of the Scarce Straw Pearl live in Boston?
Same family: Crambidae
The closest relatives of the Scarce Straw Pearl that you can see in Boston (family Crambidae, Crambid Snout Moths) are Elegant Grass-Veneer (about 10%), Garden Webworm Moth (about 10%) and Common Grass-Veneer (about 10%), with each one's daily chance of a sighting.
Where does the Scarce Straw Pearl sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Scarce Straw Pearl is recorded against all the insects logged in Boston (17 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.